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Finding the Fourth Proportional to 551,003.80, 826,184.50 and 213,650.36

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Solution

The fourth proportional to 551,003.80, 826,184.50 and 213,650.36 is: 320,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,003.80 : 826,184.50 = 213,650.36 : x
  2. Step 2: Convert to fraction form
    551,003.80/826,184.50 = 213,650.36/x
  3. Step 3: Cross multiply
    551,003.80x = 826,184.50 × 213,650.36
  4. Step 4: Simplify right side
    551,003.80x = 176,514,615,851.42
  5. Step 5: Solve for x
    x = 176,514,615,851.42/551,003.80
  6. Step 6: Final answer
    x = 320,351.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.